This part of IEC 60122 specifies the outline drawing for quartz crystal units with lead enclosures.
IEC 60122-3:2010 history
2010IEC 60122-3:2010 Quartz crystal units of assessed quality - Part 3: Standard outlines and lead connections
2001IEC 60122-3:2001 Quartz crystal units of assessed quality - Part 3: Standard outlines and lead connections
1970IEC 60122-3:1977/AMD4:1993 Amendment 4 - Quartz crystal units for frequency control and selection. Part 3: Standard outlines and pin connections
1970IEC 60122-3:1977/AMD3:1992 Amendment 3 - Quartz crystal units for frequency control and selection. Part 3: Standard outlines and pin connections
1970IEC 60122-3:1977/AMD2:1991 Amendment 2 - Quartz crystal units for frequency control and selection. Part 3: Standard outlines and pin connections
1970IEC 60122-3:1977/AMD1:1984 Amendment 1 - Quartz crystal units for frequency control and selection. Part 3: Standard outlines and pin connections
1977IEC 60122-3:1977 Quartz Crystal Units for Frequency Control and Selection Part 3: Standard Outlines and Lead Connections (Edition 2.0; Supplement A-1979; Supplement B-1980; Supplement C-1981; Supplement D-1989; Amendment 2-1991@ Incorporating Amendment 1; Amendment 3-1992